Question

QUADRILATERALS
1. The bisectors of angles of a parallelogram form a:
(a) trapezium (b) rectangle (c) rhombus (d) kite
2. The angles of a quadrilaterals are in the ratio 3:4:5:6. The respective
angles of the quadrilaterals are
(a) 60°, 80°, 100°, 120°
(b) 120°, 100°, 80°, 60°
(C) 120°, 60°, 80, 100°
(d) 80°, 100°, 120, 60°
3. If diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a:
(a) parallelogram (b) square (C) rhombus (d) trapezium
4. If in rectangle ABCD, diagonal AC bisects ZA as well ZC, then ABCD is a:
(a) parallelogram (b) square (C) rhombus (d) trapezium
5. The line segment joining the midpoints of two sides of a triangle is parallel to the third side
and
of it.
(b) one third (c) one fourth (d) equal
(a) half
each other.
6. Line segment joining the mid points of the opposite sides of a quadrilateral
(a) trisect (b) bisect
(C) coincide (d) none of these.
7. Three angles of a quadrilateral are 75°, 90° and 75º. The
fourth angle is (a) 90°
(b) 950
(C) 1050
(d) 120°
8. A diagonal of a rectangle is inclined to one side of the rectangle at 250. The acute
angle between the diagonals is
(b) 50
(d) 250
(a) 55°
(c) 40°
9. ABCD is a rhombus such that ZACB = 40°,
then ZADB = (a) 45°
(b) 500
(C) 40°
(d) 60°
10. The quadrilateral formed by joining the midpoints of the sides of a quadrilateral
PQRS, taken in order, is a rectangle, if
(a) PQRS is a rectangle
(b) PQRS is an parallelogram
(c) diagonals of PQRS are perpendicular (d) diagonals of PQRS are equal​

Answer 1

Answer:

1.rectangle

2.(a) 60,80,100,120

3.rhombus

4.square

5.one third

6.bisect

7. 120

8. 50

9. 50

10. Pqrs is a rectangle